1. If you send your letter first class your parents will receive it tomorrow afternoon. 要是你按第一類(lèi)郵件寄，你的父母明天下午就能收到了。
2. Sunday is the first day of the week. 星期日是每周的第一天。
副詞
1. First we'll have breakfast, then we'll walk to school. 我們首先吃早飯，然后步行去學(xué)校。
2. He said he would resign first. 他說(shuō)他寧愿辭職。
名詞
1. He will be a safe first. 他將會(huì)穩(wěn)拿冠軍。
first 情景對(duì)話
first的反義詞
健康和社會(huì)問(wèn)題
A：(Supposedly/ I heard/ they say), it was the first time he did heroin. （據(jù)稱(chēng)/我聽(tīng)說(shuō)/他們說(shuō)），這是他第一次吸食海洛因。
B：Oh, my god. 喔，天哪。
進(jìn)修
A：Why do you want to take these courses? 你為何想報(bào)讀這些課程？
B：I want to become certified in (computer programming/ first aid/ child education). 我想獲得（電腦編程/急救/兒童教育）方面的合格證書(shū)。
交通
B：Would you like (a window or an aisle seat/ smoking or non-smoking/ first or business class)? 你想要一個(gè)（靠窗還是靠過(guò)道的座位/吸煙還是非吸煙區(qū)/頭等艙還是經(jīng)濟(jì)艙）的座位？
A：An aisle/ window seat. / Smoking./ Non-smoking. / First class./ Business class. 靠過(guò)道/還是靠窗的座位/吸煙/非吸煙區(qū)/頭等艙/經(jīng)濟(jì)艙。
first 網(wǎng)絡(luò)解釋
1. 首先：C 顯然,首先(first)必須能識(shí)別應(yīng)激的來(lái)源(source of stress),才談得上應(yīng)對(duì)它,所以C對(duì). 題目問(wèn)的是first,其它各項(xiàng),如A是普及知識(shí),B和D的具體做法應(yīng)C之后進(jìn)行.
1. To keep from packet looping in network, a hop count field is used in the header of packet. 6. A PRN operating system is developed under the radio platform. First, we analyzed the source code of NOS, which is developed according to TCP/IP. 在無(wú)線實(shí)驗(yàn)平臺(tái)的基礎(chǔ)上，進(jìn)行了對(duì)現(xiàn)有以TCP/IP為標(biāo)準(zhǔn)開(kāi)發(fā)的網(wǎng)絡(luò)操作系統(tǒng)NOS的源程序的分析和研究，實(shí)現(xiàn)了PRN協(xié)議層和IP協(xié)議層隨接口的研究和實(shí)現(xiàn)。
first的解釋
2. In this research at first the six factors affecting rainfall were chosen, as the input variables. They are the minimum atomospheric pressure, maximum wind velocity near typhoon center, move speed of typhoon center, the radius of typhoon, the shortest distance between typhoon center and Taipei monitoring station, station humidity. 本研究先選取影響臺(tái)風(fēng)雨之因子，選用鐘型函將中心最低氣壓、近中心最大風(fēng)速、移動(dòng)速度、暴風(fēng)半徑、臺(tái)風(fēng)中心距測(cè)站最短距離、測(cè)站濕度做為六個(gè)輸入變，建模糊屬函。
3. In the first decade of the 21st century, the GNP will double that of the year 2000, the people will enjoy an even Better-to-do life and a more or less ideal socialist market economy will have come into Being 21世紀(jì)第一個(gè)10年將實(shí)現(xiàn)國(guó)民生產(chǎn)總值比2000年翻一番，使人民的小康生活更加富裕，形成比較完善的社會(huì)主義市場(chǎng)經(jīng)濟(jì)體制
4. This is the first national monument established by the US government in 1906. It is a large mass of igneous rock which is intruded through sedimentary rock beds but does not actually reach the surface, producing a rounded bulge in the sedimentary layers above. KittyChu譯：這是第一個(gè)國(guó)家紀(jì)念塔，美國(guó)政府於西元1906年建造，是巨大的火成巖聚集而成的，火成巖穿越沉殿物所生巖床，但并沒(méi)有到達(dá)表面，形成地層上的一個(gè)圓形凸塊。
5. From making the first cut to applying the finish, this comprehensive reference details every aspect of woodcarving. 作出的首次下調(diào)應(yīng)用完成，這個(gè)全面的參考資料，木雕的每一個(gè)細(xì)節(jié)方面。
first是什么意思
6. If you ask me what I would have done, I'd never call him in the first place. 如果你問(wèn)我會(huì)怎么做，我從一開(kāi)始就不會(huì)給他打電話。
7. However, it would not be the first time that Ebola has struck the region, known as the Cuvette Ouest. 但是，埃博拉病毒已不是第一次襲擊這個(gè)地區(qū)了，以前就在西盆地爆發(fā)過(guò)一次。
8. First, a plastic cuvette filled with distilled water must be scanned as a blank to provide a 首先，要掃瞄一個(gè)裝有蒸餾水的塑料比色皿，它是作為光譜背景的。
9. The Qiaoxiahala deposit can set an example for the research on iron deposits correlated to picrite, and is also the first iron deposit related to picrite which has been reported in China. 喬夏哈拉礦床正可以為研究與苦橄巖有關(guān)的鐵礦提供實(shí)例，也是國(guó)內(nèi)文獻(xiàn)可查的首例與苦橄巖有關(guān)的鐵礦。
first什么意思
10. After treatment must first focus on sun, a large number of UV-exposure recovery period allows you to produce pigmentation of the skin, so that pock color and heavier, stay longer, it would be inappropriate for prolonged outdoor activities. 治療后首先要注重防曬，大量紫外線曝曬能讓你恢復(fù)期的皮膚產(chǎn)生色素沉淀，讓痘疤顏色更重，留得更久，因此不宜進(jìn)行時(shí)間過(guò)長(zhǎng)的戶(hù)外活動(dòng)。
11. During the studying of thermal-decay of LPGs, we proposed firstly that the anneal parameter is larger than 14900, LPGs can operate steadily for 25 years under 27℃ after LPGs were annealed. Moreover, we observed for the first time that the resonance peaks in the lower-order mode of LPGs shift to red wavelength after LPGs experienced annealing or natural-decay. We believed that the phenomenon is because that the formations of LPGs don't cease when UV-exposure ceases. 在對(duì)長(zhǎng)周期光柵的熱衰變規(guī)律研究中，我們首次發(fā)現(xiàn)，長(zhǎng)周期光柵經(jīng)歷熱退火及自然衰變后，其低階模的諧振波長(zhǎng)發(fā)生了紅移現(xiàn)象，我們認(rèn)為這種現(xiàn)象是由于結(jié)束紫外曝光時(shí)，長(zhǎng)周期光柵的形成并沒(méi)有停止，相反光柵的形成在紫外光照結(jié)束后的1小時(shí)內(nèi)才停止，這種現(xiàn)象的提出為光纖光柵的形成機(jī)制提供了新的解釋。
12. The first and most important indicator is the outrageous use of credit that has created a crisis in the United States. 第一和最重要的指標(biāo)是離譜使用信貸已建立了一個(gè)危機(jī)是在美國(guó)。
13. Results maxillary first and second molars were more mesially inclined in the first group, particularly in the younger subjects (16～25 years). this inclination increased with age. the logistic regression showed that the sagittal inclination of the first molar is a predictor of the eruption of the third molar. 結(jié)果 上頜第三磨牙萌出組與未萌出組相比，上頜第一磨牙和第二磨牙更向近中傾斜，而且隨年齡的增加傾斜度也變大。logistic回歸結(jié)果顯示第一磨牙的軸傾度是第三磨牙萌出的一個(gè)預(yù)測(cè)因子。
14. A solid-state area illumination lighting apparatus, including a plurality of light sources, each light source having, a substrate; an organic light emitting diode layer deposited upon the substrate, the organic light emitting diode layer including first and second electrodes for providing electrical power to the OLED layer; an encapsulating cover covering the OLED layer; and first and second conductors located on the substrate and electrically connected to the first and second electrodes, and extending beyond the encapsulating cover for making electrical contact to the first and second electrodes by an external power source; and a lighting fixture for removably receiving and holding the plurality of light sources and having a plurality of first electrical contacts for making electrical connection to the first and second conductors of the light sources, and second electrical contacts for making electrical connection to an external power source. 一種固態(tài)面照明發(fā)光裝置，包括多個(gè)光源，每一個(gè)光源具有一個(gè)基質(zhì)；沉積在所述基質(zhì)上的有機(jī)發(fā)光二極管層，所述有機(jī)發(fā)光二極管層包括第一和第二電極，用于向OLED層提供電力；覆蓋OLED層的密封蓋；以及位于所述基質(zhì)上的與所述第一和第二電極形成電連接的第一和第二導(dǎo)體，并且所述導(dǎo)體延伸到所述密封蓋外面，以便通過(guò)外部電源與所述第一和第二電極形成電接觸；和用于可除去地接收并保持所述多個(gè)光源的照明器材，并且具有用于與所述光源的第一和第二導(dǎo)體形成電連接的多個(gè)第一電接點(diǎn)，以及用于與所述外部電源形成電連接的第二電接點(diǎn)。
15. You go first and I'll follow you. 你先走，我隨后就來(lái)。
16. You go first, and I'll follow. 你先去，我隨后就來(lái)。
first的翻譯
17. You go first and I will follow. 你先走，我隨后就來(lái)。
18. But here we use the call back function of second drive class with the first window, so we can't executer the message handler of first window. 但在這里我們使用了回調(diào)的第二個(gè)驅(qū)動(dòng)器類(lèi)功能的第一個(gè)窗口，所以我們不能執(zhí)行器的第一個(gè)窗口的消息處理程序。
19. First, follow the procedures to get an Application Form, fill out completely, and Email/Mail to GETCH before the deadline. 首先，你將通過(guò)不同渠道得到申請(qǐng)表，填寫(xiě)完整，在截止日期前電郵或郵遞寄回殘培。
first
20. She is really a first class kitchener. 她真是第一流的廚師。
first 詞典解釋first的意思
1. u0061u0063u002Eu0031u0063u0061u0063u006D
1. 最早的;最先的;第一位的 The first thing, person, event, or period of time is the one that happens or comes before all the others of the same kind.
e.g. She lost 16 pounds in the first month of her diet. 她節(jié)食的頭一個(gè)月就減掉了16磅。 e.g. ...the first few flakes of snow... 初落的幾片雪花
2. 最早;最先;先 If you do something first, you do it before anyone else does, or before you do anything else.
e.g. I do not remember who spoke first, but we all expressed the same opinion... 我不記得是誰(shuí)最先發(fā)言的，但我們?nèi)急磉_(dá)了相同的看法。 e.g. First, tell me what you think of my products... 先談?wù)勀阌X(jué)得我的產(chǎn)品怎么樣吧。
3. first的翻譯
3. 第一(次)的;首(次)的 When something happens or is done for the first time, it has never happened or been done before.
e.g. This is the first time she has experienced disappointment... 這是她第一次感受到失望。 e.g. It was the first occasion when they had both found it possible to keep a rendezvous. 他們兩人都能赴約，這還是頭一遭。
4. 首次出現(xiàn)的事物;首例 An event that is described as a first has never happened before and is important or exciting.
e.g. It is a first for New York. An outdoor exhibition of Fernando Botero's sculpture on Park Avenue. 在公園大道上露天展出費(fèi)爾南多?博特羅的雕塑，這在紐約還是破天荒的事。
5. first的意思
5. 第一次;首次 The first you hear of something or thefirst you know about it is the time when you first become aware of it.
e.g. We heard it on the TV last night — that was the first we heard of it... 昨晚我們?cè)陔娨暽下?tīng)到了這件事——那是我們頭回聽(tīng)說(shuō)。 e.g. When Mark arrived home that afternoon, it was the first he knew for sure of the surprise party. 馬克那天下午回到家時(shí)是他第一次確切知道有驚喜派對(duì)這回事。
6. 最初;起初;開(kāi)始 You use first when you are talking about what happens in the early part of an event or experience, in contrast to what happens later.
e.g. When he first came home he wouldn't say anything about what he'd been doing. 剛回到家時(shí)，他只字不提自己一直在做什么。
7. (強(qiáng)調(diào)不愿意做某事)寧可，寧愿 In order to emphasize your determination not to do a particular thing, you can say that rather than do it, you would do something else first .
e.g. Marry that fat son of a fat cattle dealer? She would die first! 嫁給那個(gè)大腹便便的牛販子的胖兒子？她寧愿去死！
8. (用于列舉條目)第一，首先 You use first when you are about to give the first in a series of items.
e.g. Certain guidelines can be given. First, have a heating engineer check the safety of the system. 可以提供一些指導(dǎo)原則：第一，找位供暖工程師檢查系統(tǒng)的安全性。
9.
9. (一列中)離得最近的，最前面的 The first thing, person, or place in a line is the one that is nearest to you or nearest to the front.
e.g. Before him, in the first row, sat the President... 在他面前第一排坐著總統(tǒng)。 e.g. First in the queue were two Japanese students. 隊(duì)伍最前面是兩個(gè)日本學(xué)生。
10. first
10. 首要的;頭等的 You use first to refer to the best or most important thing or person of a particular kind.
e.g. The first duty of any government must be to protect the interests of the taxpayers... 任何政府的首要職責(zé)都必須是保護(hù)納稅人的利益。 e.g. Imagine winning the local lottery first prize of ￡5,000. 想象一下中個(gè)5,000英鎊的當(dāng)?shù)夭势鳖^獎(jiǎng)吧。
11. (用于工作或職位的頭銜中)最高的 First is used in the title of the job or position of someone who has a higher rank than anyone else with the same basic job title.
e.g. ...the First Lord of the Admiralty. 海軍大臣 e.g. ...the first mate of a British tanker. 一艘英國(guó)油輪的大副
12. (英國(guó)大學(xué)的)優(yōu)等學(xué)位，一級(jí)榮譽(yù)學(xué)位 In British universities, a first is an honours degree of the highest standard.
e.g. ...an Oxford Blue who took a First in Constitutional History. 獲得憲法史優(yōu)等學(xué)位的牛津大學(xué)校隊(duì)運(yùn)動(dòng)員
13. 第一;首先 You use first of all to introduce the first of a number of things that you want to say.
e.g. The cut in the interest rates has not had very much impact in California for two reasons. First of all, banks are still afraid to loan. 降息在加利福尼亞并未產(chǎn)生多大影響，原因有二。首先，銀行仍然不敢放貸。
14. 最初;起初;開(kāi)始時(shí) You use at first when you are talking about what happens in the early stages of an event or experience, or just after something else has happened, in contrast to what happens later.
e.g. At first, he seemed surprised by my questions... 起初，他似乎對(duì)我的問(wèn)題感到驚訝。 e.g. I had some difficulty at first recalling why we were there. 剛開(kāi)始回想我們?yōu)槭裁磿?huì)在那兒時(shí)我有些費(fèi)勁。
15. 居于首要地位;占據(jù)頭等位置 If you say that someone or something comes first for a particular person, you mean they treat or consider that person or thing as more important than anything else.
e.g. There's no time for boyfriends, my career comes first. 我沒(méi)時(shí)間交男朋友，事業(yè)對(duì)我來(lái)說(shuō)是第一位的。
16. 先到先接待;先到先供應(yīng);按先來(lái)后到對(duì)待 You say 'first come first served' to indicate that a group of people or things will be dealt with or given something in the order in which they arrive.
e.g. There will be five buses, first come first served. 會(huì)有5輛巴士，先到先上。
17. 從最初;從一開(kāi)始 From the first means ever since something started.
e.g. You knew about me from the first, didn't you?... 從一開(kāi)始你就知道我，對(duì)吧？ e.g. I thought from the first that she was a little unsure about that marriage. 從一開(kāi)始我就覺(jué)得她對(duì)那樁婚事心里沒(méi)底。
18. first
18. 第一手地;直接;親自 If you learn or experience something at first hand, you experience it yourself or learn it directly rather than being told about it by other people.
e.g. He arrived in Natal to see at first hand the effects of the recent heavy fighting. 他來(lái)到納塔爾親自了解最近發(fā)生的激烈沖突造成的后果。
19. first的翻譯
19. 對(duì)…一無(wú)所知;對(duì)…毫不知曉 If you say that you do not know the first thing about something, you are emphasizing that you know absolutely nothing about it.
e.g. You don't know the first thing about farming. 你對(duì)種地一竅不通。
20. 第一;首先 You use first off to introduce the first of a number of things that you want to say.
e.g. First off, huge apologies for last month's confusing report. 首先，要對(duì)上個(gè)月那篇交代不清的報(bào)道表示深深的歉意。
21. 視…為最重要;把…放在首位 If you put someone or something first, you treat or consider them as more important than anything else.
e.g. Somebody has to think for the child and put him first. 必須有人替孩子著想，把他放在第一位。
22. 最重要的先做;最要緊的先處理 You say 'first things first' when you are talking about something that should be done or dealt with before anything else because it is the most important.
e.g. Let's see if we can't find something to set the mood. First things first; some music. 看看我們能不能找點(diǎn)什么烘托一下氣氛。當(dāng)務(wù)之急：來(lái)點(diǎn)音樂(lè)吧。
23. first and foremost -> see foremost
first 單語(yǔ)例句
1. He was only a bag of bones when he first went to the centre.
2. The country's domestic funds also fell across the board in the first three quarters.
3. And premiums from the new business climbed 70 percent in the first six months, hitting 33 million by the end of June.
4. China Business News calls it the first mobile game tailored for consumer products in China.
5. Bravo first started the acrylic paintings on tortillas when he was in college and couldn't afford canvases.
6. first的意思
6. When she finally secured a business licence for her organization on April 18, her first thought was to offer psychological counselling to health workers.
7. The photographs were released last week to First Amendment activist Russ Kick, who had filed a Freedom of Information Act request to receive the images.
8. It is the first time for the US government to coordinate business and rescue organization to jointly assist China.
9. It is the first foreign bank to do Renminbi business with domestic enterprises since China joined the World Trade Organization.
10. The new branch is expected to be open for business in the first quarter of 2005.
first 英英釋義
noun
1.
1. the fielding position of the player on a baseball team who is stationed at first of the bases in the infield (counting counterclockwise from home plate)
Synonym: first base
2. the lowest forward gear ratio in the gear box of a motor vehicle used to start a car moving
Synonym: first gear low gear low
3. an honours degree of the highest class
Synonym: first-class honours degree
4. the first element in a countable series
e.g. the first of the month
Synonym: number one number 1
5. the first or highest in an ordering or series
e.g. He wanted to be the first
Synonym: number one
6. the time at which something is supposed to begin
e.g. they got an early start she knew from the get-go that he was the man for her
e.g. was first in her class the foremost figure among marine artists the top graduate
Synonym: foremost world-class
2. first的解釋
2. serving to begin
e.g. the beginning canto of the poem the first verse
Synonym: beginning(a)
3. first在線翻譯
3. serving to set in motion
e.g. the magazine's inaugural issue the initiative phase in the negotiations an initiatory step toward a treaty his first (or maiden) speech in Congress the liner's maiden voyage
Synonym: inaugural initiative initiatory maiden
4. preceding all others in time or space or degree
e.g. the first house on the right the first day of spring his first political race her first baby the first time the first meetings of the new party the first phase of his training
5. first的意思
5. highest in pitch or chief among parts or voices or instruments or orchestra sections
e.g. first soprano the first violin section played first horn
